Contact lens



FIG. 1 is a top view of a contact lens with its convex side down showing the new design;

FIG. 2 is a side view of the contact lens of FIG. 1;

FIG. 3 is an alternative side view of the contact lens of FIG. 1;

FIG. 4 is a rear view of the contact lens of FIG. 1 with its convex side up; and,

FIG. 5 is a front view of the contact lens of FIG. 1. 

CLAIM The ornamental design for a contact lens, as shown and described. 